Compare / Qwen3.5-122B-A10B vs Qwen3.5-27B

Qwen3.5-122B-A10B vs Qwen3.5-27B

Which is cheaper, which is more capable, and which does better at each kind of work, from 19 results on 4 sources that measured both models.

AlibabaQwen3.5-122B-A10B Released 24 Feb 2026 · $0.26 in · $2.08 out
AlibabaQwen3.5-27B Released 24 Feb 2026 · $0.27 in · $2.16 out
Qwen3.5-122B-A10B wins 67 too close to callQwen3.5-27B wins 6

Of the 19 results both models have, the better value on each. Results whose reported ranges overlap are too close to call.

Results as of 13 October 2026 (catalogue release 2026-10-13-2e2420e3c5cc).

Qwen3.5-122B-A10B or Qwen3.5-27B? The short answer

Pick Qwen3.5-27B: it scores higher (Intelligence Index 22.9 against 17.7) at about the same price.

  • They cost about the same: $0.72 and $0.74 per million tokens (three input to one output).
  • Qwen3.5-27B scores higher on the Artificial Analysis Intelligence Index: 22.9 against 17.7.
  • On third-party benchmarks, on the results both models have: Qwen3.5-122B-A10B does better for sticking to the facts; Qwen3.5-27B for reasoning and knowledge and writing.

Head to head

17.7
Intelligence Index
22.9
$0.72
Price per million tokens, blendedlower is better
$0.74
262,144
Context window, tokens
262,144

Every fact side by side

Qwen3.5-122B-A10BQwen3.5-27B
Price per million tokens$0.26 in · $2.08 out$0.27 in · $2.16 out
Blended (3 in : 1 out)$0.72$0.74
Cheapest host, blended$0.72 (Alibaba)$0.54 (Alibaba)
Intelligence Index17.722.9
Spring Prompt overall––
Output speed, tokens a second147–
Context window262,144 tokens262,144 tokens
Released24 Feb 202624 Feb 2026
WeightsOpenOpen
Developer based inChinaChina

Prices are the developer's list price where we have read it, otherwise the typical host on OpenRouter; see every model's price. Intelligence and speed from Artificial Analysis.

Which is better for what

Each model's rank among the models on sale today, for each kind of work, from our own benchmarks and licensed sources. Further right is better; the better rank is in green.

Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 95 of 164 145 of 164
Reasoning and knowledgeHard questions across science, maths and general knowledge 87 of 198 82 of 198
WritingWhat people prefer in blind comparisons, and judged writing quality 102 of 188 98 of 188
Sticking to the factsSummarising without inventing things, and factual answers 108 of 152 121 of 152

Every shared result

Each model's best result on every measure both have, grouped by benchmark, with the setting that produced it. Under each measure, every model that benchmark has measured is a grey tick, best to the right, so you can see where the two sit in the field. The headline measures of each benchmark come first; the rest are under "Show all". Green marks the better value; where a source reports ranges that overlap, neither is marked.

MeasureQwen3.5-122B-A10BQwen3.5-27B
Arena (formerly LMArena) reported by Arena (formerly LMArena) · 3 results
Overall · TextArena rating, higher is better 117 · 129 of 387 measured 1,416 1,409
Overall · Text factualityArena rating, higher is better 103 · 112 of 163 measured 1,428 1,420
Business, management and finance · TextArena rating, higher is better 105 · 128 of 380 measured 1,422 1,408
Artificial Analysis reported by Artificial Analysis · 3 results
Artificial Analysis Intelligence Indexindex score, higher is better 114 · 86 of 243 measured 17.7no reasoning 22.9
GPQA Diamond% of questions, higher is better 75 · 74 of 231 measured 85.7% 85.8%
Humanity's Last Exam% of questions, higher is better 92 · 95 of 242 measured 25.2% 23.9%
UGI Leaderboard reported by UGI Leaderboard · 3 results
Writing score · UGIscore out of 100, higher is better 112 · 99 of 230 measured 39.5no reasoning 42.4think-prefill reasoning
Requested-length error · UGI% off the requested word count, lower is better 33 · 49 of 230 measured 9.0%thinking reasoning 11.0%think-prefill reasoning
Style adherence · UGIscore from 0 to 1, higher is better 83 · 147 of 230 measured 0.36no reasoning 0.33no reasoning
Vectara Hallucination Leaderboard reported by Vectara Hallucination Leaderboard · 2 results
Hallucination rate · Vectara% of summaries, lower is better 72 · 80 of 104 measured 11.2% 12.1%
Answer rate · Vectara% of documents, higher is better 31 · 31 of 104 measured 99.8% 99.8%
Show all 19 results (8 more)
MeasureQwen3.5-122B-A10BQwen3.5-27B
Arena (formerly LMArena) reported by Arena (formerly LMArena) · 4 results
Creative writing · TextArena rating, higher is better 136 · 145 of 385 measured 1,366 1,358
Expert prompts · TextArena rating, higher is better 111 · 112 of 338 measured 1,442 1,441
Instruction following · TextArena rating, higher is better 115 · 122 of 387 measured 1,406 1,401
Writing, literature and language · TextArena rating, higher is better 125 · 135 of 386 measured 1,387 1,380
Artificial Analysis reported by Artificial Analysis · 4 results
IFBench% of instructions, higher is better 22 · 24 of 195 measured 75.7% 75.6%
Long-context reasoning (AA-LCR)% of questions, higher is better 72 · 63 of 233 measured 76.3% 77.7%
Terminal-Bench Hard% of tasks, higher is better 65 · 61 of 190 measured 31.1% 32.6%
τ²-bench telecom% of tasks, higher is better 30 · 28 of 193 measured 93.6% 93.9%

Quick answers

Is Qwen3.5-122B-A10B better than Qwen3.5-27B?

Pick Qwen3.5-27B: it scores higher (Intelligence Index 22.9 against 17.7) at about the same price.

Which is cheaper, Qwen3.5-122B-A10B or Qwen3.5-27B?

They cost about the same: $0.72 and $0.74 per million tokens (three input to one output).

Which is better for agents and tool use, Qwen3.5-122B-A10B or Qwen3.5-27B?

Qwen3.5-122B-A10B ranks 95 of 164 models on sale for multi-step tasks with tools: support desks, coding agents, function calls, against 145 for Qwen3.5-27B.

Which is better for reasoning and knowledge, Qwen3.5-122B-A10B or Qwen3.5-27B?

Qwen3.5-27B ranks 82 of 198 models on sale for hard questions across science, maths and general knowledge, against 87 for Qwen3.5-122B-A10B.

Which is better for writing, Qwen3.5-122B-A10B or Qwen3.5-27B?

Qwen3.5-27B ranks 98 of 188 models on sale for what people prefer in blind comparisons, and judged writing quality, against 102 for Qwen3.5-122B-A10B.

Which is better for sticking to the facts, Qwen3.5-122B-A10B or Qwen3.5-27B?

Qwen3.5-122B-A10B ranks 108 of 152 models on sale for summarising without inventing things, and factual answers, against 121 for Qwen3.5-27B.

Run Qwen3.5-122B-A10B and Qwen3.5-27B on your own prompt

Benchmarks aren't your data. Try both side by side in the playground, with the cost of every answer.